function add(n1:number,n2:number){
    return n1+n2;
}
console.log(add(1,2));

let check:boolean = true;
let num1:number = 0;
let num2:number = 0o744;
let num3:number = 0b1010;
let num4:number = 0x1010;
let info:string = `total=${num1}`;
let num5:bigint = 10n;
let tag:symbol = Symbol(1);
console.log(check,
    num1,
    num2,
    num3,
    num4,
    info,
    num5,
    tag
);
